Sphalerite with Dolomite

Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain

Specimen size: 3.3 × 2.7 × 2.1 cm = 1.30” × 1.06” × 0.83”
Main crystal size: 2.7 × 1.7 cm = 1.06” × 0.67”